Populating file description field with information from keywords field

Question

Hi i am new to using scripts and would really appreciate some help in automating the following. I use Photoshop CS6 and generally use the keywords i add to the file as the description as well. To do this i open individual raw files and copy and paste the keywords into the description field and save, prior to processing as jpg for web display. This is quite time consuming when dealing with large number of files. I have been trying to find a way to automate the process but haven't come across anything on the web. I did manage to get a partial solution using a recorded action and then batch processing in bridge, but that only adds the information from the first file used to generate the action.

Is there a way to do this with scripts for either the raw file or jpg file?

thanks

Paul Riggott · Answer

This should copy the keywords to the description field on selected documents. It will not work on Raw files.

Raw files would need a different script and would have to know what type of raw files (nef,cr2,crw,mos,orf etc)

#target bridge   
   if( BridgeTalk.appName == "bridge" ) {  
descFromKeys = MenuElement.create("command", "Add Description from Keywords", "at the end of Tools");
}
descFromKeys.onSelect = function () { 
if (ExternalObject.AdobeXMPScript == undefined)   ExternalObject.AdobeXMPScript = new ExternalObject("lib:AdobeXMPScript");
var sels = app.document.selections;
for(var t in sels){
      var selectedFile = sels.spec;    
      var myXmpFile = new XMPFile( selectedFile.fsName, XMPConst.UNKNOWN, XMPConst.OPEN_FOR_UPDATE);       
      var myXmp = myXmpFile.getXMP();   
      Keywords = getArrayItems(XMPConst.NS_DC,'subject');
      myXmp.deleteProperty(XMPConst.NS_DC, "description"); 
      myXmp.setLocalizedText( XMPConst.NS_DC, "description", null, "x-default", Keywords);
      if (myXmpFile.canPutXMP(myXmp)) { 
    myXmpFile.putXMP(myXmp);
         myXmpFile.closeFile(XMPConst.CLOSE_UPDATE_SAFELY); 
         }
function getArrayItems(ns, prop){
var arrItem=[];
try{
var items = myXmp.countArrayItems(ns, prop);
for(var i = 1;i <= items;i++){
arrItem.push(myXmp.getArrayItem(ns, prop, i));
}
return arrItem.toString();
}catch(e){alert(e +" Line: "+ e.line);}
    }
}
}

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